Refactoring to a cleaner architecture

persistence/property_repository.go

@@ -0,0 +1,40 @@
+package persistence
+
+import (
+	"github.com/deluan/gosonic/domain"
+"errors"
+)
+
+type property struct {
+	BaseRepository
+}
+
+func NewPropertyRepository() *property {
+	r := &property{}
+	r.init("property", &domain.Property{})
+	return r
+}
+
+func (r *property) Put(id string, value string) error {
+	m := &domain.Property{Id: id, Value: value}
+	if m.Id == "" {
+		return errors.New("Id is required")
+	}
+	return r.saveOrUpdate(m.Id, m)
+}
+
+func (r *property) Get(id string) (string, error) {
+	var rec interface{}
+	rec, err := r.readEntity(id)
+	return rec.(*domain.Property).Value, err
+}
+
+func (r*property) DefaultGet(id string, defaultValue string) (string, error) {
+	v, err := r.Get(id)
+
+	if v == "" {
+		v = defaultValue
+	}
+
+	return v, err
+}